{
  "manageEntity": {
    "action": "Follow",
    "entityId": "421",
    "entityType": "User",
    "nonce": "0x74c21f7c43f8e14ace1a3e19a1234e7e3fe39792133115bd7675d5e21af1e7ba",
    "signature": "0xc4170a323210451b4cb3af5fc1198e1dd86692bab9d317d98b8a14fbeda5db406c6bfd065060bdb486a0134147afb6f7cbf00f6ceceb24f14bda3d906dfe07e51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}